202134072 has 32 divisors (see below), whose sum is σ = 577526400. Its totient is φ = 57752544.

The previous prime is 202134067. The next prime is 202134073. The reversal of 202134072 is 270431202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202134073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601422 + ... + 601757.

It is an arithmetic number, because the mean of its divisors is an integer number (18047700).

Almost surely, 2^202134072 is an apocalyptic number.

It is an amenable number.

202134072 is an abundant number, since it is smaller than the sum of its proper divisors (375392328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202134072 is a wasteful number, since it uses less digits than its factorization.

202134072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203195 (or 1203191 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 202134072 is about 14217.3862576776. The cubic root of 202134072 is about 586.8762144576.

Adding to 202134072 its reverse (270431202), we get a palindrome (472565274).

The spelling of 202134072 in words is "two hundred two million, one hundred thirty-four thousand, seventy-two".